discrete-element analysis 中文意思是什麼

discrete-element analysis 解釋
離散元分析
  • discrete : adj. 1. 分離的，分立的；顯然有別的。2. 不連續的；【數學】離散的；【哲學】抽象的 （opp. concrete）。adv. -ly
  • element : n 1 要素；成分；（構成）部分；分子。2 【化學】元素；【數學】元，素；【機械工程】單元；單體；【無...
  • analysis : n. （pl. -ses ）1. 分解，分析；【數學】解析。2. 梗概，要略。3. 〈美國〉用精神分析法治療（＝ psychoanalysis）。
  1. In this paper, a crank - nicolson mixed element method, a nonlinear galerkin mixed element method for the non stationary conduction - convection problems time second order accuracy fully discrete formats and a two - level mixed element method with backtracing for the stationary conduction - convection problems are presented and analyed, respectively, an error analysis are provided for the crank - nicolson method of time discretization applied to spatially discrete galerkin mixed element approximations of the nonstationary conduction - convection problems

    本文分別給出了非定常的熱傳導-對流問題的crank - nicolson混合元法時間二階精度全離散格式，非線性galerkin混合元法時間二階精度全離散格式以及定常的熱傳導-對流問題回溯二重水平法。討論了時間上的crank - nicolson離散方法應用於非定常的熱傳導-對流問題的空間離散的galerkin混合元近似。
  2. In chapter two, we consider full disceret scheme of mixed finite element methods for the following initial - value problems of linear integro - differential equations of parabolic in this chapter, we give the error analysis of this full discrete scheme and get optimal error estimates for the discrete solutions of u and p

    第二章討論下述線性拋物型積分微分方程初邊值問題混合有限元方法的后差全離散格式。給出了該全離散格式的誤差分析，得到了離散解逼近未知函數u以及伴隨速度p的關于空間和時間的最優階誤差估計。
  3. This paper analysis production control mode and characteristic of discrete custom manufacturing, bring forward that push - pull mode can better solve its planning and controlling. matter - element which is holonic has application in describing manufacturing system. on this basis, establish extension control model

    本文分析了離散型製造業定製生產的生產控制模式和特點，提出了推拉相結合的混合控制模式，這種模式能較好的解決品種變化頻繁、批量小的製造系統計劃控制問題。
  4. ( 2 ) the method of finite element discrete and optimal parameter back analysis is adopted. ( 3 ) concentrated on the question of high external water pressure of the deep - lying tunnel, the basic theory and method calculating external water pressure are systematically studied. ( 4 ) based on jinping cascade 2 hydropower station, numerical simulation rain infiltration of seepage field under different drainage pattern and grouting pattern are studied, also, the high external water pressure is analyzed and studied and some seepage control measures are put forward

    （ 2 ）採用有限元離散?優化法進行參數的反演分析； （ 3 ）針對深埋隧洞的高外水壓力問題，進一步分析和研究了襯砌水荷載及外水壓力的作用機理和計算方法； （ 4 ）以錦屏二級水電站深埋長引水隧洞作為本文的主要研究對象，採用考慮降雨入滲滲流場分析的方法對排水方案和灌漿封堵方案不同情況下的滲流場的水頭分佈進行了數值模擬，並對其外水壓力進行了分析和研究，提出了滲流控制的具體措施。
  5. Its main contents is as follow : firstly, it makes the discrete model for the subsystems of the scraper conveyor and the whole system with the finite element method ; secondly, the modal analysis method is used to obtain the inhere frequency and mode of the viberation ; finally, computer simulation is applied to get the displacement, velocity, acceleration and tension of the anyplace on the scraper conveyor for the four special working condition

    其主要內容如下：用有限元方法建立了刮板輸送機子系統及整個系統的離散體動力學模型；應用模態分析法求解系統的固有頻率和振型；對四種非穩定工況下的動態特性進行計算機模擬，得出整個刮板輸送機在任意點的位移、速度、加速度和動張力。
  6. Surface reconstruction is one of key techniques in reverse engineering. based on unorganized discrete points come from finite element analysis triangular mesh on exterior surface of the aeroengine hollow turbine blade, this dissertation studied some related problems, such as scattered data preprocessing, quadrangle partition and surface reconstruction technology

    曲面重構是逆向工程研究的重要內容之一，本文基於航空發動機空心渦輪葉片外表面的有限元三角網格離散點，對離散數據點的預處理、四邊域劃分及曲面重構技術進行了研究。
  7. However, disadvantages still remained. during the structural analysis, large amount of high - order units were used in order to ensure the precision of arithmetic solution when using finite element method to do discrete processing

    本文是將并行機群計算系統應用到解決電法勘探中，在使用有限元方法（ fem ）時所產生的大型線性方程組求解問題上。
  8. In the paper each mathematic model of seepage in fractured rock masses is summarized. finite element analysis simulation equations of non - double porosity system model - equivalent continuum media model and discrete fracture network model are given, furthermore a coupling uniform model is formed which integrated with the merit of the two former models

    本文綜述了裂隙巖體滲流分析的各類數學模型，對于非雙重介質模型? ?等效連續介質模型和離散裂隙網路模型分別給出了它們的有限元模擬公式，還進一步提出了結合上述兩種模型優點的適用於復雜裂隙巖體的耦合統一模型。
  9. The 2 - d and 3 - d dem codes are developed using c - h - programming language based on the idea of ooa ( object oriented analysis ). a set of preprocess and postprocess code for the dem is also developed. the two codes in one become an integrative discrete element analysis system : s - dem ( super - discrete element method )

    該計算程序與用opengl技術在vc + + 6 . 0環境下開發的功能強大的離散元前後處理程序構成了較為完整的離散元分析模擬系統s - dem （ super - discreteelementmethod ） 。
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